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Posted to dev@nuttx.apache.org by Rodrigo Teixeira <rt...@gmail.com> on 2023/01/16 14:10:56 UTC
Add support for an LTE driver on NuttX #8147
I need to add support for a Quectel BG770A modem.After looking at this
commit
<https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>,
I realized that NuttX has native code that handles some kind of modems, not
requiring the creation of a driver from scratch. But, maybe it does not
cover all types of modems, since NuttX has a separate driver for the ALT1250
modem
<https://github.com/apache/nuttx/blob/master/drivers/modem/alt1250/alt1250.c>
.Then, I’m not sure if I’ll need to create a driver from a scratch, as the
driver for the ALT1250 modem, or if I can just configure it, as it was done
in this commit
<https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>
.Could anyone help me to decide which approach I’ll have to follow?
--
Rodrigo Teixeira de Souza
Aluno de Graduação - Instituto Tecnológico de Aeronáutica
Engenharia da Computação - Turma 2022
Re: Add support for an LTE driver on NuttX #8147
Posted by "Alan C. Assis" <ac...@gmail.com>.
Yes, it is not trivial!
Eduardo spent some days trying to figure out how to get it working.
It requires the right AT commands that are specific for this kind of modem.
I don't know if this same approach could work for SIMCom, Telit, U-Blox, etc.
At least know we have a guide explaining how to get it working.
BR,
Alan
On 3/14/23, MIGUEL ALEXANDRE WISINTAINER <tc...@hotmail.com> wrote:
> I never got success on ppp on cat/nbiot
>
> I had to back to gprs band to work the ppp
>
> Enviado do meu iPhone
>
>> Em 14 de mar. de 2023, à(s) 19:10, Alan C. Assis <ac...@gmail.com>
>> escreveu:
>>
>> Hi Rodrigo,
>>
>> I think Eduardo got it working on NuttX using PPPD, see:
>>
>> https://github.com/apache/nuttx/issues/8147
>>
>> It is important to know, because even Quectel support said the it
>> wasn't possible to use CatM1 or NB-IoT with PPP:
>>
>> https://forums.quectel.com/t/bc95-g-ppp-connection-over-nb-iot-possible/12191
>>
>> But of course the support guy was wrong and even in the modem
>> datasheet comments that PPP was supported.
>>
>> BR,
>>
>> Alan
>>
>>> On 1/16/23, Rodrigo Teixeira <rt...@gmail.com> wrote:
>>> I need to add support for a Quectel BG770A modem.After looking at this
>>> commit
>>> <https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>,
>>> I realized that NuttX has native code that handles some kind of modems,
>>> not
>>> requiring the creation of a driver from scratch. But, maybe it does not
>>> cover all types of modems, since NuttX has a separate driver for the
>>> ALT1250
>>> modem
>>> <https://github.com/apache/nuttx/blob/master/drivers/modem/alt1250/alt1250.c>
>>> .Then, I’m not sure if I’ll need to create a driver from a scratch, as
>>> the
>>> driver for the ALT1250 modem, or if I can just configure it, as it was
>>> done
>>> in this commit
>>> <https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>
>>> .Could anyone help me to decide which approach I’ll have to follow?
>>>
>>> --
>>> Rodrigo Teixeira de Souza
>>> Aluno de Graduação - Instituto Tecnológico de Aeronáutica
>>> Engenharia da Computação - Turma 2022
>>>
>
Re: Add support for an LTE driver on NuttX #8147
Posted by MIGUEL ALEXANDRE WISINTAINER <tc...@hotmail.com>.
I never got success on ppp on cat/nbiot
I had to back to gprs band to work the ppp
Enviado do meu iPhone
> Em 14 de mar. de 2023, à(s) 19:10, Alan C. Assis <ac...@gmail.com> escreveu:
>
> Hi Rodrigo,
>
> I think Eduardo got it working on NuttX using PPPD, see:
>
> https://github.com/apache/nuttx/issues/8147
>
> It is important to know, because even Quectel support said the it
> wasn't possible to use CatM1 or NB-IoT with PPP:
>
> https://forums.quectel.com/t/bc95-g-ppp-connection-over-nb-iot-possible/12191
>
> But of course the support guy was wrong and even in the modem
> datasheet comments that PPP was supported.
>
> BR,
>
> Alan
>
>> On 1/16/23, Rodrigo Teixeira <rt...@gmail.com> wrote:
>> I need to add support for a Quectel BG770A modem.After looking at this
>> commit
>> <https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>,
>> I realized that NuttX has native code that handles some kind of modems, not
>> requiring the creation of a driver from scratch. But, maybe it does not
>> cover all types of modems, since NuttX has a separate driver for the
>> ALT1250
>> modem
>> <https://github.com/apache/nuttx/blob/master/drivers/modem/alt1250/alt1250.c>
>> .Then, I’m not sure if I’ll need to create a driver from a scratch, as the
>> driver for the ALT1250 modem, or if I can just configure it, as it was done
>> in this commit
>> <https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>
>> .Could anyone help me to decide which approach I’ll have to follow?
>>
>> --
>> Rodrigo Teixeira de Souza
>> Aluno de Graduação - Instituto Tecnológico de Aeronáutica
>> Engenharia da Computação - Turma 2022
>>
Re: Add support for an LTE driver on NuttX #8147
Posted by "Alan C. Assis" <ac...@gmail.com>.
Hi Rodrigo,
I think Eduardo got it working on NuttX using PPPD, see:
https://github.com/apache/nuttx/issues/8147
It is important to know, because even Quectel support said the it
wasn't possible to use CatM1 or NB-IoT with PPP:
https://forums.quectel.com/t/bc95-g-ppp-connection-over-nb-iot-possible/12191
But of course the support guy was wrong and even in the modem
datasheet comments that PPP was supported.
BR,
Alan
On 1/16/23, Rodrigo Teixeira <rt...@gmail.com> wrote:
> I need to add support for a Quectel BG770A modem.After looking at this
> commit
> <https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>,
> I realized that NuttX has native code that handles some kind of modems, not
> requiring the creation of a driver from scratch. But, maybe it does not
> cover all types of modems, since NuttX has a separate driver for the
> ALT1250
> modem
> <https://github.com/apache/nuttx/blob/master/drivers/modem/alt1250/alt1250.c>
> .Then, I’m not sure if I’ll need to create a driver from a scratch, as the
> driver for the ALT1250 modem, or if I can just configure it, as it was done
> in this commit
> <https://github.com/apache/nuttx/commit/dc5d8f7c4478efee10c661034600a61d52d2c13f>
> .Could anyone help me to decide which approach I’ll have to follow?
>
> --
> Rodrigo Teixeira de Souza
> Aluno de Graduação - Instituto Tecnológico de Aeronáutica
> Engenharia da Computação - Turma 2022
>